Welcome. Raised skin bumps can result from a number of conditions, benign or harmful, but in most cases they are harmless. infection, allergic reaction, hereditary condition, inflammation, Depending on the cause, you might have single or multiple lumps that are soft or firm, painful or painless. They may grow rapidly or may not change in size. If your lump forms due to local inflammation of the finger joint, it may appear as a knot or lump at the area of the joint. lumps commonly occur at the joint area and are indicative of osteoarthritis and other arthritis-Traumatic causes of lumps range from bug bites to severe in soft tissues, or bone can appear as a lump. which are fluid-filled, sac-like structures, can form on the finger and may appear like a lump. Some cysts may be present at birth, while others develop as a result of inflammation, Conditions that produce inflammation throughout the body, such as rheumatoid arthritis, a chronic autoimmune disease characterized by joint inflammation, may be associated with lumps.consult your family doctor for medicine safe during pregnancy. Take care.